Effects of type of lubricant and shape of tooth profile upon efficiency of gear drives
作者:
A. Ishibashi,
K. Sonoda,
H. Ali Mohammad,
期刊:
Lubrication Science
(WILEY Available online 1999)
卷期:
Volume 11,
issue 2
页码: 135-163
ISSN:0954-0075
年代: 1999
DOI:10.1002/ls.3010110203
出版商: John Wiley&Sons, Ltd
关键词: gear;lubricant;power transmission;efficiency;speed reduction;friction coefficient;planetary gear;profile shifted gear;bearing loss
数据来源: WILEY
摘要:
AbstractTo reduce energy consumption, it is important to increase the efficiency of gears used for power transmission. In the present work, the efficiencies of gear drives with standard and profile shifted involute gears are measured by changing the type of lubricating oil. A new equation for calculating efficiency is derived by taking into account the additional friction torque that depends on the shape of the teeth. The efficiencies calculated with the new equation agree well with those obtained by experiments conducted using two planetary gear drives with different tooth shapes and with different reduction ratios (u = 4. 89 and 151). The new equation is applicable to the design of gear drives with higher efficiency.
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